DE3632875A1 - Kontinuierliches verfahren zur herstellung von triorganosiloxygruppen als endstaendige einheiten aufweisenden organopolysiloxanen - Google Patents
Kontinuierliches verfahren zur herstellung von triorganosiloxygruppen als endstaendige einheiten aufweisenden organopolysiloxanenInfo
- Publication number
- DE3632875A1 DE3632875A1 DE19863632875 DE3632875A DE3632875A1 DE 3632875 A1 DE3632875 A1 DE 3632875A1 DE 19863632875 DE19863632875 DE 19863632875 DE 3632875 A DE3632875 A DE 3632875A DE 3632875 A1 DE3632875 A1 DE 3632875A1
- Authority
- DE
- Germany
- Prior art keywords
- reactor
- poly
- organopolysiloxanes
- triorganosiloxy groups
- siloxane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010924 continuous production Methods 0.000 title claims description 5
- 238000004519 manufacturing process Methods 0.000 title description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 39
- 125000000962 organic group Chemical group 0.000 claims description 16
- 125000004122 cyclic group Chemical group 0.000 claims description 14
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 13
- 239000003054 catalyst Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- -1 halogenated hydrocarbon radicals Chemical class 0.000 description 17
- 238000000034 method Methods 0.000 description 17
- 150000003961 organosilicon compounds Chemical class 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical class O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 4
- 150000002009 diols Chemical class 0.000 description 4
- 150000003254 radicals Chemical class 0.000 description 4
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229920006037 cross link polymer Polymers 0.000 description 3
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 description 2
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 125000004182 2-chlorophenyl group Chemical group [H]C1=C([H])C(Cl)=C(*)C([H])=C1[H] 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241001026509 Kata Species 0.000 description 1
- 241000158147 Sator Species 0.000 description 1
- YUDRVAHLXDBKSR-UHFFFAOYSA-N [CH]1CCCCC1 Chemical compound [CH]1CCCCC1 YUDRVAHLXDBKSR-UHFFFAOYSA-N 0.000 description 1
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical group [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- OLLFKUHHDPMQFR-UHFFFAOYSA-N dihydroxy(diphenyl)silane Chemical compound C=1C=CC=CC=1[Si](O)(O)C1=CC=CC=C1 OLLFKUHHDPMQFR-UHFFFAOYSA-N 0.000 description 1
- QUPDWYMUPZLYJZ-UHFFFAOYSA-N ethyl Chemical compound C[CH2] QUPDWYMUPZLYJZ-UHFFFAOYSA-N 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 125000001188 haloalkyl group Chemical group 0.000 description 1
- 150000008282 halocarbons Chemical group 0.000 description 1
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 235000021190 leftovers Nutrition 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 description 1
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000005029 sieve analysis Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Silicon Polymers (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863632875 DE3632875A1 (de) | 1986-09-26 | 1986-09-26 | Kontinuierliches verfahren zur herstellung von triorganosiloxygruppen als endstaendige einheiten aufweisenden organopolysiloxanen |
| US07/084,224 US4792596A (en) | 1986-09-26 | 1987-08-12 | Continuous process for preparing organopolysiloxanes containing triorganosiloxy terminal units |
| JP62237603A JPS63117036A (ja) | 1986-09-26 | 1987-09-24 | 末端単位としてトリオルガノシロキシ基を有するオルガノポリシロキサンの連続的製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863632875 DE3632875A1 (de) | 1986-09-26 | 1986-09-26 | Kontinuierliches verfahren zur herstellung von triorganosiloxygruppen als endstaendige einheiten aufweisenden organopolysiloxanen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3632875A1 true DE3632875A1 (de) | 1988-04-07 |
| DE3632875C2 DE3632875C2 (enrdf_load_stackoverflow) | 1988-08-11 |
Family
ID=6310492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19863632875 Granted DE3632875A1 (de) | 1986-09-26 | 1986-09-26 | Kontinuierliches verfahren zur herstellung von triorganosiloxygruppen als endstaendige einheiten aufweisenden organopolysiloxanen |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4792596A (enrdf_load_stackoverflow) |
| JP (1) | JPS63117036A (enrdf_load_stackoverflow) |
| DE (1) | DE3632875A1 (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4424115A1 (de) * | 1993-07-15 | 1995-01-19 | Gen Electric | Verfahren zum Herstellen von linearen Triorganosiloxyendgruppen aufweisenden Silicon-Flüssigkeiten mit geringem Silianolgehalt |
| DE4441057A1 (de) * | 1994-11-17 | 1996-05-23 | Wacker Chemie Gmbh | Verfahren zur kontinuierlichen Herstellung von Organopolysiloxanen |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2678371B2 (ja) * | 1987-08-31 | 1997-11-17 | 東レ・ダウコーニング・シリコーン株式会社 | 末端にアルケニル基を有するオルガノポリシロキサンの製造方法 |
| JP2588724B2 (ja) * | 1987-09-08 | 1997-03-12 | 東レ・ダウコーニング・シリコーン株式会社 | 分子鎖中央の側鎖にアルケニル基を有するオルガノポリシロキサンの製造方法 |
| DE3742069A1 (de) * | 1987-12-11 | 1989-06-22 | Wacker Chemie Gmbh | Verfahren zur herstellung von diorganopolysiloxanen mit triorganosiloxygruppen als endstaendigen einheiten |
| US5173558A (en) * | 1991-05-20 | 1992-12-22 | Dow Corning Corporation | Base catalyzed preparation of polyorganosiloxanes with controlled low levels of hydroxy substitution |
| JP2824953B2 (ja) * | 1993-05-11 | 1998-11-18 | 信越化学工業株式会社 | 高重合度のオルガノポリシロキサンの製造方法 |
| US5616673A (en) * | 1995-12-13 | 1997-04-01 | General Electric Company | Process for production of low viscosity low silanol content silicone fluids |
| DE19756832A1 (de) * | 1997-12-19 | 1999-07-01 | Wacker Chemie Gmbh | Verfahren zur Veränderung der Viskosität von Organopolysiloxanen |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2883272A (en) * | 1955-09-13 | 1959-04-21 | Gen Electric | Apparatus for the continuous polymerization of organopolysiloxanes |
| US3816493A (en) * | 1970-06-23 | 1974-06-11 | Wacker Chemie Gmbh | Process for preparing organopoly-siloxane oils |
| DE2202283B2 (de) * | 1972-01-18 | 1977-05-12 | Wacker-Chemie GmbH, 8000 München | Verfahren zur kondensation von im wesentlichen linearen organosiliciumverbindungen mit si-gebundenen hydroxylgruppen |
| US4032557A (en) * | 1975-05-15 | 1977-06-28 | Wacker-Chemie Gmbh | Process for preparing organosiloxanes |
| GB1488369A (en) * | 1974-01-14 | 1977-10-12 | Gen Electric | Continuous process for producing polysiloxane oils |
| EP0031063A2 (de) * | 1979-12-21 | 1981-07-01 | Bayer Ag | Verfahren zur Herstellung von Äquilibrierungsprodukten von Organosiloxanen |
| US4426508A (en) * | 1981-05-12 | 1984-01-17 | Rhone-Poulenc Specialites Chimiques | Catalytic preparation of high molecular weight polysiloxanes |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3236806A (en) * | 1961-04-20 | 1966-02-22 | Union Carbide Corp | Process for treating silicone elastomers |
| BE756725A (fr) * | 1969-09-29 | 1971-03-29 | Dow Corning | Procede de preparation de 3,3,3-trifluoropropylmethylpolysiloxanes |
| BE789272A (fr) * | 1971-09-29 | 1973-03-26 | Wacker Chemie Gmbh | Procede de preparation d'organosiloxanes |
| GB1436883A (en) * | 1972-07-20 | 1976-05-26 | Gen Electric | Process for the production of silanol-stopped diorganopoly siloxanes |
| US4599437A (en) * | 1984-10-29 | 1986-07-08 | Wacker-Chemie Gmbh | Continuous process for varying molecular weight of organopolysiloxanes |
-
1986
- 1986-09-26 DE DE19863632875 patent/DE3632875A1/de active Granted
-
1987
- 1987-08-12 US US07/084,224 patent/US4792596A/en not_active Expired - Fee Related
- 1987-09-24 JP JP62237603A patent/JPS63117036A/ja active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2883272A (en) * | 1955-09-13 | 1959-04-21 | Gen Electric | Apparatus for the continuous polymerization of organopolysiloxanes |
| US3816493A (en) * | 1970-06-23 | 1974-06-11 | Wacker Chemie Gmbh | Process for preparing organopoly-siloxane oils |
| DE2202283B2 (de) * | 1972-01-18 | 1977-05-12 | Wacker-Chemie GmbH, 8000 München | Verfahren zur kondensation von im wesentlichen linearen organosiliciumverbindungen mit si-gebundenen hydroxylgruppen |
| GB1488369A (en) * | 1974-01-14 | 1977-10-12 | Gen Electric | Continuous process for producing polysiloxane oils |
| US4032557A (en) * | 1975-05-15 | 1977-06-28 | Wacker-Chemie Gmbh | Process for preparing organosiloxanes |
| EP0031063A2 (de) * | 1979-12-21 | 1981-07-01 | Bayer Ag | Verfahren zur Herstellung von Äquilibrierungsprodukten von Organosiloxanen |
| US4426508A (en) * | 1981-05-12 | 1984-01-17 | Rhone-Poulenc Specialites Chimiques | Catalytic preparation of high molecular weight polysiloxanes |
Non-Patent Citations (1)
| Title |
|---|
| AT-E2438=EP-21683 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4424115A1 (de) * | 1993-07-15 | 1995-01-19 | Gen Electric | Verfahren zum Herstellen von linearen Triorganosiloxyendgruppen aufweisenden Silicon-Flüssigkeiten mit geringem Silianolgehalt |
| DE4424115B4 (de) * | 1993-07-15 | 2006-09-14 | General Electric Co. | Verfahren zum Herstellen von linearen Triorganosiloxyendgruppen aufweisenden Silicon-Flüssigkeiten mit geringem Silianolgehalt |
| DE4441057A1 (de) * | 1994-11-17 | 1996-05-23 | Wacker Chemie Gmbh | Verfahren zur kontinuierlichen Herstellung von Organopolysiloxanen |
| US5723561A (en) * | 1994-11-17 | 1998-03-03 | Wacker-Chemie Gmbh | Process for the continuous preparation of organopolysiloxanes |
| DE4441057C2 (de) * | 1994-11-17 | 1999-02-25 | Wacker Chemie Gmbh | Verfahren zur kontinuierlichen Herstellung von Organopolysiloxanen |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63117036A (ja) | 1988-05-21 |
| US4792596A (en) | 1988-12-20 |
| DE3632875C2 (enrdf_load_stackoverflow) | 1988-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1495921C3 (de) | Verfahren zur katalytischen Addition einer Süiciumverbindung, die ein oder mehrere Wasserstoffatome aufweist, die an Silicium gebunden sind, an eine organische Verbindung mit olefinischer oder acetylenischer Mehrfachbindung | |
| DE1570686A1 (de) | Verfahren zur Herstellung von Organosilizium-Verbindungen | |
| DE2904706A1 (de) | Verfahren zum reinigen von hydrogenhaltigen silanen und siloxanen | |
| DE2500930A1 (de) | Kontinuierliches verfahren fuer die herstellung von polysiloxanoelen | |
| EP0208285A2 (de) | Verfahren zur Herstellung von linearen Organopolysiloxanen mit Triorganosiloxygruppen als endständige Einheiten | |
| DE4424115B4 (de) | Verfahren zum Herstellen von linearen Triorganosiloxyendgruppen aufweisenden Silicon-Flüssigkeiten mit geringem Silianolgehalt | |
| DE1570446B2 (de) | Verfahren zur Herstellung von Organosiloxanblockmischpolymeren | |
| EP0033891B1 (de) | Verfahren zur Herstellung von Organosiloxanblockmischpolymerisat | |
| DE3742069A1 (de) | Verfahren zur herstellung von diorganopolysiloxanen mit triorganosiloxygruppen als endstaendigen einheiten | |
| DE957662C (de) | Verfahren zur Herstellung von stabilen Alkyl- und/oder Arylpolysiloxanölen | |
| EP0305737A2 (de) | Verfahren zum Kondensieren und/oder Äquilibrieren von Organo-(poly)siloxanen | |
| DE3041686A1 (de) | Verfahren zur herstellung von triorganosilylendgruppen aufweisenden, fluessigen diorganopolysiloxanen | |
| DE3632875A1 (de) | Kontinuierliches verfahren zur herstellung von triorganosiloxygruppen als endstaendige einheiten aufweisenden organopolysiloxanen | |
| EP0285091A1 (de) | Verfahren zur Herstellung von Diorganopolysiloxanen mit Triorganosiloxygruppen als endständige Einheiten | |
| EP0269886B1 (de) | Verfahren zur Herstellung von Organopolysiloxanen mit basischen Stickstoff aufweisenden, SiC-gebundenen organischen Resten | |
| DE1720496A1 (de) | Verfahren zur Herstellung von Organopolysiloxanen | |
| DE4317978A1 (de) | Organosiliciumreste aufweisende Phosphazene, Verfahren zu deren Herstellung und deren Verwendung | |
| DE2643467C3 (de) | Verfahren zur Erhöhung des Molekulargewichts eines Organosiloxane mit an Silicium gebundenen Hydroxylgruppen | |
| EP0117503B1 (de) | Verfahren zum Stabilisieren von Organopolysiloxanen | |
| DE2133105A1 (de) | Haertbare Fluorkohlenstoffsiloxanharze | |
| EP2872545B1 (de) | Verfahren zur herstellung von organopolysiloxanen | |
| DE3303707C2 (enrdf_load_stackoverflow) | ||
| DE102014211680A1 (de) | Optimierte Verfahren zur Herstellung von Siloxanen unter regenerationsfreier Weiterverwendung der Ionenaustauscherharze | |
| DE1745320C3 (de) | Verfahren zur Herstellung von linearen oder vernetzten Organopolysiloxanen | |
| EP0193748A1 (de) | Verfahren zur Erhöhung des Molekulargewichts von Diorgano(poly)siloxan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |